package cn.xx.a;

import java.io.FileInputStream;
import java.io.FileNotFoundException;

public class Test6 {
    public static void main(String[] args)  {

        try {
            //   io流     Checked异常必须处理
            FileInputStream fs = new FileInputStream("aa.txt");
        }catch (Exception e){
            e.printStackTrace();
        }
    }
}
